各位大佬,请解答一下。如图: http://photo.weibo.com/1815409403/photos/detail/photo_id/4371482242356872/album_id/3456928622455215#4371482242356872 http://photo.weibo.com/1815409403/photos/detail/photo_id/4371482242356872/album_id/3456928622455215#4371482246551236
发现错误是有图一红圈内的形参引起的,把形参删掉就可以运行。我想问一下,为什么不能添加形参?